18475703 has 4 divisors (see below), whose sum is σ = 18484368. Its totient is φ = 18467040.

The previous prime is 18475663. The next prime is 18475763. The reversal of 18475703 is 30757481.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30757481 = 61 ⋅504221.

It is a cyclic number.

It is not a de Polignac number, because 18475703 - 2¹⁰ = 18474679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18475763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 6228.

It is an arithmetic number, because the mean of its divisors is an integer number (4621092).

Almost surely, 2^18475703 is an apocalyptic number.

18475703 is a deficient number, since it is larger than the sum of its proper divisors (8665).

18475703 is an equidigital number, since it uses as much as digits as its factorization.

18475703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 18475703 is about 4298.3372366533. The cubic root of 18475703 is about 264.3627884566.

The spelling of 18475703 in words is "eighteen million, four hundred seventy-five thousand, seven hundred three".